.page-faq {
  --faq-line: rgba(36, 26, 21, 0.13);
  --faq-soft: rgba(36, 26, 21, 0.66);
  display: block;
}

/* 面包屑 */
.page-faq .faq-crumb-wrap {
  padding-top: 24px;
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  margin-top: 20px;
  overflow: hidden;
  background: var(--ink-900);
  border-top: 1px solid var(--line-cool);
  border-bottom: 1px solid var(--line-cool);
}

.page-faq .faq-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 10% 8%, rgba(52, 226, 212, 0.2), transparent 62%),
    linear-gradient(180deg, rgba(6, 24, 43, 0.58) 0%, rgba(6, 24, 43, 0.9) 70%, var(--ink-900) 100%);
  pointer-events: none;
}

.page-faq .faq-hero-body {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero-body .wrap {
  padding-top: clamp(52px, 9vw, 118px);
  padding-bottom: clamp(48px, 8vw, 104px);
}

.page-faq .faq-hero-inner {
  max-width: 860px;
}

.page-faq .faq-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-kicker::before {
  content: "";
  width: 36px;
  height: 2px;
  background: var(--coral);
}

.page-faq .faq-hero h1 {
  margin: 0 0 22px;
  max-width: 17em;
  font-size: clamp(31px, 5.4vw, 66px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text-bright);
}

.page-faq .faq-lead {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--text-mute);
}

/* 主框架：左分类 + 右问答 */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  padding-block: clamp(38px, 5.6vw, 80px);
}

.page-faq .faq-cats {
  background: var(--ink-700);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  padding: 20px 18px;
  box-shadow: var(--shadow-card);
}

.page-faq .faq-cats-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--steel);
}

.page-faq .faq-cat {
  display: grid;
  grid-template-columns: 2.2em minmax(0, 1fr);
  grid-template-areas:
    "idx name"
    "idx note";
  gap: 3px 12px;
  padding: 14px 10px;
  border-top: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-bright);
  transition: background 0.22s var(--ease);
}

.page-faq .faq-cat-idx {
  grid-area: idx;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--cyan);
}

.page-faq .faq-cat-name {
  grid-area: name;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-faq .faq-cat-note {
  grid-area: note;
  font-size: 12.5px;
  line-height: 1.62;
  color: var(--text-mute);
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  background: var(--glass);
  outline: none;
}

.page-faq .faq-cat:focus-visible {
  box-shadow: inset 0 0 0 2px var(--cyan);
}

/* 奶油纸面问答区 */
.page-faq .faq-qa {
  background: var(--paper);
  color: var(--espresso);
  border: 1px solid rgba(36, 26, 21, 0.1);
  border-radius: var(--radius);
  padding: clamp(22px, 3vw, 46px);
}

.page-faq .faq-block + .faq-block {
  margin-top: clamp(34px, 4.6vw, 58px);
  padding-top: clamp(30px, 4vw, 48px);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-block-head {
  margin-bottom: 10px;
}

.page-faq .faq-block-idx {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--coral);
}

.page-faq .faq-block-head h2 {
  margin: 0 0 10px;
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--espresso);
}

.page-faq .faq-block-head p {
  margin: 0;
  max-width: 30em;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--faq-soft);
}

/* 问答条目 */
.page-faq .qa {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 2px;
  cursor: pointer;
  list-style: none;
}

.page-faq .qa summary::-webkit-details-marker {
  display: none;
}

.page-faq .qa summary::after {
  content: "+";
  margin-left: auto;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--steel);
}

.page-faq .qa[open] summary::after {
  content: "\2013";
  color: var(--coral);
}

.page-faq .qa summary:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--cyan);
  border-radius: var(--radius-sm);
}

.page-faq .qa-idx {
  flex: none;
  width: 22px;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--steel);
}

.page-faq .qa-q-text {
  margin: 0;
  max-width: 26em;
  font-size: clamp(16.5px, 1.9vw, 20px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: var(--espresso);
}

.page-faq .qa-a {
  margin-left: 22px;
  padding: 0 0 24px 16px;
  border-left: 2px solid transparent;
  transition: border-color 0.25s var(--ease);
}

.page-faq .qa[open] .qa-a {
  border-left-color: var(--coral);
}

.page-faq .qa-a p {
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(36, 26, 21, 0.78);
}

.page-faq .qa-a a {
  color: var(--espresso);
  text-decoration: underline;
  text-decoration-color: var(--coral);
  text-underline-offset: 3px;
}

.page-faq .qa-a a:hover {
  color: var(--coral);
}

/* 信息图 */
.page-faq .faq-figure {
  margin: 22px 0 8px;
}

.page-faq .faq-figure .figure-media {
  overflow: hidden;
  background: var(--ink-900);
  border: 1px solid rgba(36, 26, 21, 0.12);
  border-radius: var(--radius-sm);
}

.page-faq .faq-figure .figure-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure .figure-cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--faq-soft);
}

/* 没找到答案 */
.page-faq .faq-more {
  padding-bottom: clamp(34px, 5vw, 64px);
}

.page-faq .faq-more-inner {
  display: grid;
  gap: 24px;
  background: var(--ink-700);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  padding: clamp(26px, 4vw, 52px);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-more-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-more-text h2 {
  margin: 0 0 12px;
  font-size: clamp(21px, 2.6vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-bright);
}

.page-faq .faq-more-text p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-mute);
}

.page-faq .faq-more-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 相关入口 */
.page-faq .faq-links {
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-faq .faq-links-title {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--steel);
}

.page-faq .faq-links-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-links-list li {
  display: grid;
  gap: 4px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-links-list a {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-bright);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-links-list a:hover,
.page-faq .faq-links-list a:focus-visible {
  color: var(--cyan);
  outline: none;
}

.page-faq .faq-links-list span {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-mute);
}

/* 桌面布局 */
@media (min-width: 960px) {
  .page-faq .faq-shell {
    grid-template-columns: 272px minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-cats {
    position: sticky;
    top: calc(var(--band-h) + 24px);
    padding: 24px 16px;
  }

  .page-faq .faq-cat:first-of-type {
    border-top: 0;
  }

  .page-faq .faq-more-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
    gap: 44px;
  }

  .page-faq .faq-more-actions {
    justify-content: flex-end;
  }

  .page-faq .faq-links-list li {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }
}

@media (max-width: 599px) {
  .page-faq .faq-a {
    margin-left: 8px;
    padding-left: 14px;
  }

  .page-faq .qa summary {
    gap: 10px;
  }

  .page-faq .faq-more-actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}
<<<END>>>